Postdoctoral research associate with QCL group in Sydney
Brighton, England
Joined November 2019
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Christophe Valahu retweeted
New paper out! For the first time, we demonstrated sensing with GKP states. We measured position and momentum simultaneously, with precision above the standard quantum limit! Read it here: scirate.com/arxiv/2412.04865
@CValahu @tingreitan @JoshKoomz @BBaragiola
Christophe Valahu retweeted
The hits don't stop! Another massive #quantumcomputing outcome, this time combining leadership @Sydney_Science with tech from @qctrlHQ !
Universal gate set for #GKP encoded #qubits enabled by optimized control waveforms!
arxiv.org/abs/2409.05455
New arXiv drop: "Universal Quantum Gate Set for Gottesman-Kitaev-Preskill Logical Qubits" (arxiv.org/abs/2409.05455)
We demonstrate a universal gate set for GKP qubits, and, for the first time, 2-qubit entanglement with 2 logical GKP codewords encoded in a single trapped ion 1/N
As a bonus, we prepare a maximally entangled logical Bell state in a single step from vacuum using a similar sequence of optimised pulses. Through state tomography, we measure a logical state fidelity of 84.2%. 4/N
It's been really fun to work on! Huge props to Vassili Matsos for driving this, and to @MJBiercuk, @tingreitan, M. Millican, T. Navickas, X. Kolesnikow
Very exciting to have this work out! Checkout @IvanKassal's thread on how we used an ion trap to simulate chemical dynamics
About 5 years in the making, here it is: The first simulation of chemical dynamics on a quantum computer!
"Experimental Quantum Simulation of Chemical Dynamics"
arxiv.org/pdf/2409.04044
Christophe Valahu retweeted
About 5 years in the making, here it is: The first simulation of chemical dynamics on a quantum computer!
"Experimental Quantum Simulation of Chemical Dynamics"
arxiv.org/pdf/2409.04044
Excited to share our new preprint: arxiv.org/abs/2405.15237
We adapt a randomized benchmarking-like protocol to bosonic modes to efficiently characterize a noise source, its strength and its correlation.
Our goal is to characterize bosonic modes in a driven setting. To do this, we apply randomized displacements in phase space, followed by an inversion step and measure a fidelity.
Similar to traditional RB, the decay of mean fidelity gives us the error rate.
PhD scholarships available in Sydney, great opportunity!
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Christophe Valahu retweeted
🚨 Job alert! 🚨
Three (!) postdoctoral positions in quantum computing for chemistry
Total package: $119k – $148k p.a. for up to 4 years
Some details below; apply by 11 March here: tinyurl.com/yck44d43
Christophe Valahu retweeted
Excited to share incredible new research from @Sydney_Uni @ARC_EQUS - now on tunable spin interactions with hundreds of ions in a Penning trap!
A new optomechanical system lets us access new regimes of physics for studying exotic many-body systems!
arxiv.org/abs/2401.17742
Christophe Valahu retweeted
👏Congratulations to our members Dr Tingrei Tan & Associate Professor @IvanKassal, and Professor @PabloFP_Syd from @syd_health!
Their joint #quantumtech research could unlock a new approach to treating disease and designing new drugs.
Read more 👇 sydney.edu.au/news-opinion/n…
Christophe Valahu retweeted
Thanks to @WellcomeLeap, we're using quantum simulation to tackle challenges in health!
Thanks @TimDoddEDU for the great article!
theaustralian.com.au/higher-…